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Finding the Fourth Proportional to 250,649.36, 345,896.22 and 135,927.96

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Solution

The fourth proportional to 250,649.36, 345,896.22 and 135,927.96 is: 187,580.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,649.36 : 345,896.22 = 135,927.96 : x
  2. Step 2: Convert to fraction form
    250,649.36/345,896.22 = 135,927.96/x
  3. Step 3: Cross multiply
    250,649.36x = 345,896.22 × 135,927.96
  4. Step 4: Simplify right side
    250,649.36x = 47,016,967,556.31
  5. Step 5: Solve for x
    x = 47,016,967,556.31/250,649.36
  6. Step 6: Final answer
    x = 187,580.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.